age = 24
if age >= 6:
    print("您开始上学了")
if age >= 18:
    print("您已经成年了")
if age >= 24:
    print("您已经毕业了")
print("if语句执行结束")

print("--------------------------------------------")

if age >= 24:
    print("你大学毕业了")
else:
    print("你还在上学")
